Rare diseases · Sign or symptom

Abnormal circulating glucagon concentration

HP:0030687

What it means

A deviation from the normal concentration of glucagon in the blood circulation.

Glucagon is a 29-amino acid polypeptide that is manufactured by the alpha cells of the pancreatic islets. It plays a key role in glucose counterregulation in response to hypoglycemia. Hypoglycemia is normally a powerful stimulator of glucagon secretion.

Part of the broader category

Also called: Abnormal glucagon level

Abnormal circulating glucagon…

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.